package test916;

import java.util.Scanner;

public class myScore {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("Please enter your score: ");
        int score = scanner.nextInt();
        if (score > 90) {
            System.out.println("优");
        } else {
            System.out.println("良");
        }
    }
}
